When you're going all out, you need a shirt with lots of ventilation. A shirt that's light, fast-drying, and loose enough to let you power through. Ultra-breathable knit fabric is super lightweight & comfortable Material wicks sweat & dries really fast 4-way stretch material moves better in every direction Anti-odor technology prevents the growth of odor-causing microbes Dropped, shaped hem for enhanced coverage Style #: 1370367 96% Polyester/4% Elastane Imported Loose: Fuller cut for complete comfort. Machine wash cold with like colors Do not bleach Tumble dry low Do not iron Do not use softeners Do not dry clean